85942128263 has 2 divisors, whose sum is σ = 85942128264. Its totient is φ = 85942128262.

The previous prime is 85942128247. The next prime is 85942128329. The reversal of 85942128263 is 36282124958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85942128263 - 2⁴ = 85942128247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85942128563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42971064131 + 42971064132.

It is an arithmetic number, because the mean of its divisors is an integer number (42971064132).

Almost surely, 2^85942128263 is an apocalyptic number.

85942128263 is a deficient number, since it is larger than the sum of its proper divisors (1).

85942128263 is an equidigital number, since it uses as much as digits as its factorization.

85942128263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The spelling of 85942128263 in words is "eighty-five billion, nine hundred forty-two million, one hundred twenty-eight thousand, two hundred sixty-three".